Intel DX48BT2 manual Clearing Passwords, Jumper Settings for the Bios Setup Program Modes

Page 57

Installing and Replacing Desktop Board Components

Table 14. Jumper Settings for the BIOS Setup Program Modes

Jumper Setting

Mode

Description

 

 

 

 

Normal (default) (1-2)

The BIOS uses the current configuration and

 

 

passwords for booting.

 

 

 

 

Configure (2-3)

After the Power-On Self-Test (POST) runs, the

 

 

BIOS displays the Maintenance Menu. Use this

 

 

menu to clear passwords.

 

 

 

 

Recovery (None)

The BIOS recovers data in the event of a failed

 

 

BIOS update.

 

 

 

Clearing Passwords

This procedure assumes that the board is installed in the computer and the configuration jumper block is set to normal mode.

1.Observe the precautions in "Before You Begin" on page 27.

2.Turn off all peripheral devices connected to the computer. Turn off the computer. Disconnect the computer’s power cord from the AC power source (wall outlet or power adapter).

3.Remove the computer cover.

4.Find the configuration jumper block (see Figure 31).

5.Place the jumper on pins 2-3 as shown below.

6.Replace the cover, plug in the computer, turn on the computer, and allow it to boot.

7.The computer starts the Setup program. Setup displays the Maintenance menu.

8.Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a pop-up screen requesting that you confirm clearing the password. Select Yes and press <Enter>. Setup displays the maintenance menu again.

9.Press <F10> to save the current values and exit Setup.

10.Turn off the computer. Disconnect the computer’s power cord from the AC power source.

11.Remove the computer cover.

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Contents Intel Desktop Board DX48BT2 Product Guide FCC Declaration of Conformity Revision HistoryCanadian Department of Communications Compliance Statement DisclaimerIntended Audience PrefaceUse Only for Intended Applications Document OrganizationTerminology Intel Desktop Board DX48BT2 Product GuideTerm Description Contents Updating the Bios Regulatory Compliance ContentsTables Feature Summary Desktop Board FeaturesRelated Links Supported Operating SystemsDesktop Board Components Desktop Board FeaturesLabel Description Processor Main Memory Audio Subsystem Intel X48 Express ChipsetLED Color LED State Indicates LAN SubsystemEnhanced IDE Interface USB 2.0 SupportSerial ATA Legacy I/OPCI and PCI Express* Auto Configuration Serial ATA and IDE Auto ConfigurationSecurity Passwords ExpandabilityHardware Monitoring and Fan Speed Control Hardware ManagementChassis Intrusion Intel Precision Cooling TechnologyPower Connectors Power ManagementSoftware Support Hardware SupportFan Headers LAN Wake CapabilitiesInstantly Available PC Technology Location of the Standby Power Indicator +5 V Standby Power IndicatorWAKE# Signal Wake-up Support PME# Signal Wake-up SupportEnergy STAR* Capable Wake from USBOnboard Power Button Onboard Power ButtonSpeaker Onboard VR and CPU LEDsReal-Time Clock BatteryBefore You Begin Installing and Replacing Desktop Board ComponentsInstallation Precautions Prevent Power Supply OverloadObserve Safety and Regulatory Requirements Installing and Replacing Desktop Board Components Installing the I/O ShieldDesktop Board DX48BT2 Mounting Screw Hole Locations Installing and Removing the Desktop BoardInstalling a Processor Installing and Removing a ProcessorLift the Load Plate Remove the Processor from the Protective Processor Cover Close the Load Plate Connecting the Processor Fan Heat Sink Cable Installing the Processor Fan Heat SinkRemoving the Processor Installing the ICH Heat Sink Decorative Cover OptionalInstallation of a Typical MCH Heat Sink Fan Installing an MCH Heat Sink Fan OptionalInstalling and Removing Memory Guidelines for Dual Channel Memory ConfigurationTwo or Four DIMMs Three DIMMs Dual Channel Memory Configuration with Four DIMMsUse DDR3 DIMMs Installing DIMMsInstalling a Dimm Removing DIMMs Installing Multiple PCI Express x16 Graphics Cards Installing and Removing a PCI Express x16 CardInstalling a PCI Express x16 Card Installing a PCI Express x16 CardRemoving a PCI Express x16 Card Removing a PCI Express x16 CardConnecting the IDE Cable Connecting the IDE CableConnecting a Serial ATA Cable Connecting the Serial ATA Sata CablesInternal Headers and Connectors Connecting to the Internal Headers and ConnectorsHD Audio Link Header Signal Names Front Panel Audio Header Signal NamesFront Panel Audio Header HD Audio Link HeaderBack Panel CIR Header Emitter Output Header Signal Names Front Panel CIR Receiver Input Header Signal NamesChassis Intrusion Header Signal Names Chassis Intrusion HeaderUSB 2.0 Header Signal Names Ieee 1394a Header Signal NamesIeee 1394a Header USB 2.0 HeadersAlternate Front Panel Power LED Header Pdif ConnectorFront Panel Header Back Panel Audio Connectors Connecting to the Flexible Audio SystemConnecting Chassis Fan Cables Connecting Chassis Fan and Power Supply CablesConnecting Power Supply Cables Connecting Power Supply CablesLocation of the Bios Configuration Jumper Block Setting the Bios Configuration JumperClearing Passwords Jumper Settings for the Bios Setup Program ModesJumper Setting Mode Description Précaution Replacing the BatteryVaro Προσοχή Pozor Removing the Battery Updating the Bios with the Intel Express Bios Update Utility Updating the BiosUpdating the Bios with the ISO Image Bios Update File Obtaining the Bios Update FileUpdating the Bios Updating the Bios with the Iflash Memory Update UtilityRecovering the Bios Configuring for RAID Using Intel Matrix Storage Technology Configuring for RAIDConfiguring the Bios Creating Your RAID SetSetting Up a RAID Ready System Configuring for RAID Intel Desktop Board DX48BT2 Product Guide Bios Beep Codes Error Messages and IndicatorsBios Error Messages Bios Error MessagesIntel Desktop Board DX48BT2 Product Guide Place Battery Marking Safety StandardsSafety Standards Regulatory ComplianceEuropean Union Declaration of Conformity Statement Product Ecology Statements Recycling ConsiderationsRegulatory Compliance Español DeutschFrançais MalayPortuguese RussianTürkçe Lead-free 2LI/Pb-free 2LI Board EU RoHS Restriction of Hazardous Substances RoHSLead-Free Second Level Interconnect Marks Description MarkChina RoHS Environmentally Friendly Use Period Mark China RoHSRegulatory Compliance EMC Regulations EMC RegulationsRegulation Class B Title Ensure Electromagnetic Compatibility EMC Compliance Product Certifications Board-Level Certification MarkingsProduct Certification Markings Europe Chassis and Component CertificationsIntel Desktop Board DX48BT2 Product Guide